[meta.reflection.operators] Remove superfluous 'the'

Fixes NB US 91-198 (C++26 CD).

Author: jensmaurer

source/meta.tex

@@ -3640,7 +3640,7 @@
 \begin{itemdescr}
 \pnum
 \returns
-The value of the enumerator from the \tcode{operators}
+The value of the enumerator from \tcode{operators}
 whose corresponding \grammarterm{operator-function-id}
 is the unqualified name of the entity represented by \tcode{r}.